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Consider a shaft through a neutron star with a hypothetical observer at the centre of gravity. If his time dilation is such that external photons would appear to violate light speed would the shaft act as an information firewall? No path should be available, at the speed of rotation, for a photon to reach the central observer.

Quote from: jeffreyH on 18/02/2015 02:27:38Consider a shaft through a neutron star with a hypothetical observer at the centre of gravity. If his time dilation is such that external photons would appear to violate light speed would the shaft act as an information firewall? No path should be available, at the speed of rotation, for a photon to reach the central observer.That's not true. Photons at larger values of r can reach smaller values of r regardless of the fact that observers at the smaller values measure the photons at larger values of r to have a larger coordinate speed of light. In doing so it violates no law of physics.